Thorlabs/Vytran ACL83 Replacement Diamond Cleave Blade, use for CAC400,CAC400A,LDC401,LDC401A, LDC450B,LDC-200 fiber cleaver,GPX3800,GPX3850,FFS2000,FFS2000PT,FFS2000PM,FFS2000WS All-in-One Workstation.